134.58% is the change from 321 to 753
Calculation steps:
[( 753 - 321 ) ÷ 321] x 100 = 134.58%
Formula
Percentage change = [(753 - 321) / 321] x 100
Subtract the new number by the original number
753 - 321 = 432
432 ÷ 321 = 1.3457943925233644
1.3457943925233644 x 100 = 134.58%